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Find low faresSouthwest® flights from West Palm Beach to St. Louis from $125
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Low fares from West Palm Beach to St. Louis
$
West Palm Beach (PBI)to
St. Louis (STL)
Depart: 03/24/2026
One-way
Basic
From
$125
Seen: 14 hrs ago
West Palm Beach (PBI)to
St. Louis (STL)
Depart: 03/25/2026
One-way
Basic
From
$125
Seen: 14 hrs ago
West Palm Beach (PBI)to
St. Louis (STL)
Depart: 03/17/2026
One-way
Basic
From
$125
Seen: 10 hrs ago
West Palm Beach (PBI)to
St. Louis (STL)
Depart: 04/15/2026
One-way
Basic
From
$125
Seen: 4 hrs ago
West Palm Beach (PBI)to
St. Louis (STL)
Depart: 04/22/2026
One-way
Basic
From
$125
Seen: 13 hrs ago
West Palm Beach (PBI)to
St. Louis (STL)
Depart: 03/11/2026
One-way
Basic
From
$125
Seen: 10 hrs ago
Explore flights from West Palm Beach to St. Louis
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Flight Details
Departing from:
Palm Beach International Airport
Arriving at:
Lambert-St Louis Int'l Airport
Distance:
1023 miles
Route Information
84† Weekly flights
† Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.
‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.
Questions we hear the most
There are 84 weekly flights from West Palm Beach to St. Louis on Southwest Airlines.
To find the lowest fares by day and time to fly West Palm Beach to St. Louis with Southwest, check out our Low Fare Calendar.
You can rent a car at Lambert-St Louis Int'l Airport book yours with your flight.
Yes! Flights from West Palm Beach to St. Louis—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
Check the status of your upcoming Southwest flight.
Check out the Southwest Airlines® Help Center for answers about everything Southwest.